Year	current US$
1970	101.72601035509796
1971	106.14726932848185
1972	116.68407703182312
1973	142.15383544228314
1974	153.2948543608523
1975	167.47238817279614
1976	164.52300761167604
1977	185.94202238125874
1978	176.57831866896151
1979	187.7272810845215
1980	210.54918233144028
1981	227.52614020051976
1982	240.4427756108327
1983	249.2104471803924
1984	268.88622986111545
1985	292.5470224709638
1986	285.4978183353838
1987	266.6924865099748
1988	304.73357438316333
1989	331.63730948896284
1990	345.719232898332
1991	378.0349748394984
1992	419.70112085839776
1993	454.3603066843017
1994	543.6120276205288
1995	655.3706765774996
1996	742.1503770976378
1997	758.2253097784926
1998	675.4040352060912
1999	732.1188695436031
2000	787.1258436439181
2001	823.5097041665796
2002	911.9237216549996
2003	1020.6211575103927
2004	1156.173391108526
2005	1312.1162247944274
2006	1564.2806060160506
2007	1957.407073732751
2008	2395.043061533878
2009	2630.662723581261
2010	3089.195239409226
2011	3629.1921513183984
2012	4106.883931873137
2013	4443.070010564193
2014	4784.674319492361
2015	4937.41348453766
2016	5022.4819007445585
2017	5459.687725338825
2018	5952.282051770303
2019	6097.018440855796
2020	6066.346192657837
2021	7097.385028094193